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[PATCH] apci: use pin stored in pci_dev 

Use the stored value of the Interrupt Pin, rather than try to read
it again.

Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Kristen Accardi 2005-11-02 16:24:35 -08:00 committed by Greg Kroah-Hartman
parent ffeff788d6
commit 8015a01486
1 changed files with 3 additions and 4 deletions
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7
drivers/acpi/pci_irq.c
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@ -361,8 +361,7 @@ acpi_pci_irq_derive(struct pci_dev *dev,
if ((bridge->class >> 8) == PCI_CLASS_BRIDGE_CARDBUS) {
/* PC card has the same IRQ as its cardbridge */
pci_read_config_byte(bridge, PCI_INTERRUPT_PIN,
&bridge_pin);
bridge_pin = bridge->pin;
if (!bridge_pin) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"No interrupt pin configured for device %s\n",
@ -412,7 +411,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
if (!dev)
return_VALUE(-EINVAL);
pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
pin = dev->pin;
if (!pin) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"No interrupt pin configured for device %s\n",
@ -503,7 +502,7 @@ void acpi_pci_irq_disable(struct pci_dev *dev)
if (!dev || !dev->bus)
return_VOID;
pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
pin = dev->pin;
if (!pin)
return_VOID;
pin--;